Flight OddsBOS → SJU Frontier Airlines
Frontier Airlines · Boston, MA to San Juan, PR · 34 flights, 2025-12-18 to 2026-04-12 · aggregated across 1 flight number
On-time arrival
45%
Median delay
+26 min
90th percentile
+210 min
Cancellation rate
3%
How on-time is Frontier Airlines from BOS to SJU?
Across every Frontier Airlines flight number on BOS → SJU (34 flights, 2025-12-18 to 2026-04-12), 45% arrived within 15 minutes of schedule. Median arrival delay +26 min; the worst 10% ran +210 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 45% |
| 16-30 min | 3 | 9% |
| 31-60 min | 4 | 12% |
| 61-120 min | 5 | 15% |
| 2+ hrs | 6 | 18% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 6 | 33% | +162 min |
| 2026-01 | 5 | 20% | +84 min |
| 2026-02 | 12 | 75% | +18 min |
| 2026-03 | 3 | 33% | +57 min |
| 2026-04 | 7 | 29% | +57 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 4 | 0% |
| Wed | No data | — |
| Thu | 10 | 50% |
| Fri | 3 | 67% |
| Sat | 5 | 40% |
| Sun | 9 | 56% |
F9 flight numbers on BOS → SJU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…